
Configuring Dial Services
7-60 114062 Rev. A
BRI Parameter Descriptions
Use the following descriptions when you configure the BRI parameters.
Parameter: Acceptable LAPD MTUs
Default: 400 bytes
Range: 3 to 1024 bytes
Function: Specifies the maximum number of bytes per LAPD transmission unit.
Instructions: Enter a value for the maximum MTUs. We recommend that you accept
the default value.
MIB Object ID: 1.3.6.1.4.1.18.3.5.9.8.9.1.12
Parameter: BRI T3 Timer
Default: 10 seconds
Range: 1 to 30 seconds
Function: Indicates the amount of time that the router has to try to activate the S/T
interface. The router starts this timer while the S/T interface is deactivated
and the router tries to activate it -- for example, when the router wants to
send data. During this time period, the router sends INFO 1 frames across
the S/T interface until the network responds with a signal or the timer
expires. This timer prevents the router from attempting to activate the S/T
interface interminably.
Instructions: Enter a time limit that is sufficient for the router to activate the S/T
interface. This value should be greater than the time it would take to
activate the S/T interface under normal conditions. You may want to ask
your ISDN provider for guidelines regarding the subscriber loop
transmission, which might affect the value you enter.
MIB Object ID: 1.3.6.1.4.1.18.3.5.9.8.9.1.14
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